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Tommygun

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Posts posted by Tommygun

  1. I've become skeptical of the direction I'm seeing in early access gaming.

    If companies were charging 5 to 10 dollars for these things it would be fine, but $20 for a buggy game missing many features is way too much.

    I've played KSP from 0.12 and it was the best game I ever bought, but most of the time it won't be like that.

    I would recommend staying away from any early access game selling for more than $15 and then only if it looks close to beta.

  2. US to the moon by 2029-Sure

    China to the moon by 2029-Would be surprised if they weren't

    Russia to the moon by 2029-Not happening, sanctions and all

    Just my personal opinion, but that's actually a lot of new flight hardware in just 14 years.

    We do have better and cheaper technology than 46 years ago, but that's still a lot to do.

    Just getting the prototypes ready for their first flights by then might be doable?

  3. I'm reasonable happy with my $35 dollar Timex watches.

    They tell the time, no one is going to rob me for one and if I break it, I won't feel like jumping from the roof.

  4. While looking around in the forum, I discovered, that Quiznos323 is working on an A-10 cockpit ...

    Do you think I should continue my version? ..I'd rather prefer working on the Osprey and my unfinished parts

    Maybe just make the A-10 cockpit the lowest priority. Once you have finished everything else that you want to work on then make your decision about it.

  5. From what I understand a 10 ton tungsten rod drop at orbital speeds (about 28,000 kph) would have the kinetic energy of a 10 ton bomb explosion.

    The energy would only be released when it hits the ground, so a lot of energy, but not all is going into the ground and then reflect out and up too.

    I don't know any percentages, but nothing like a land wave is going to happen. Even an atomic weapon doesn't create land waves like that.

  6. The rule of thumb is about 50% unreacted for LH2, 5-20% for hydrocarbon.

    Efficiency goes down when the mass of the exhaust products goes up, so adding enough oxygen to burn all the hydrogen would cramp down on performance as well as melt/burn the engine.

    OK, so I'm guessing the unreacted hydrogen comes out so hot that it then burns with the atmospheric oxygen and then turns to water as well?

  7. Maybe it was a momentum issue? It looked like the rocket motors were still burning when the locomotive hit the target-- maybe that was their way of simulating the momentum of a fully loaded train, without actually having to have a fully loaded train?

    I think in the British test (6 minutes into video) they mentioned that they placed three cars on the train and that adding more wouldn't have added to the force of the impact.

    Adding more track and cars I think would have been more sensible. To me this is an over engineered answer to a simple problem.

    You might even make an argument that the results of the test are not truly as actuate as they could have been, because they didn't use a more real world train set up as the British did.

    In any case it makes for great YouTube videos.

  8. Well different patent offices around the world may have different rules.

    I get the impression that the US patent offices go by whether an idea is new, not if it will work.

    I could see legal challenges being filed over a patent office decision of something not being workable.

    The patent office could win easily over something like this, but that just means hiring more lawyers.

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